package io;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("image.png");
        FileOutputStream fos = new FileOutputStream("image_cp.png");
        int d;
        while ((d=fis.read())!=-1){
            fos.write(d);
        }
        System.out.println("复制完毕！");
        fis.close();
        fos.close();


    }
}
